JAN1N5284UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5284UR-1/TR is a surface-mount current regulator diode manufactured by Microchip Technology. It operates within the DO-213AB (MELF) package and provides a regulated current of 264 µA with a maximum peak operating voltage of 100 V. The device dissipates up to 500 mW and functions across an extended temperature range from -65 °C to +175 °C. Qualified under MIL-PRF-19500/463, it offers high source impedance and internal metallurgical bonding for stable performance in demanding environments.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation over a broad operating voltage range
• Features high source impedance for stable current output
• Includes internal metallurgical bond construction

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED drivers
• Biasing circuits for transistors and active components
• Current limiting protection in sensitive electronic systems

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against official Microchip documentation to confirm tape-and-reel packaging and exact electrical tolerances. Ensure the component meets MIL-PRF-19500/463 requirements if military qualification is necessary for the application.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise low-current regulation value near 264 µA is required in a compact surface-mount form factor. Consider the 100 V breakdown limit and 500 mW power dissipation capabilities relative to the circuit's voltage drop and thermal constraints.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the JAN1N5283-1 through JAN1N5314-1 series of 0.5 W current regulators. It serves as a surface-mount alternative to axial-leaded versions, offering similar functionality in the DO-213AB package while maintaining compatibility with standard current regulation design practices.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JAN1N5284 variants such as JAN1N5284UR-1 or JAN1N5284-1E3, provided the package type and regulatory compliance match the system requirements.